@book{6079,
	title = {Strategies and policies for air pollution abatement},
	publisher = {United Nations},
	year = {1991 },
	address = {New York},
	note = {"ECE/EB.AIR/27". - "United Nations publication sales no. E.91.II.E.29". - At head of title: Economic Commission for Europe, Geneva. - e------ }
}